MPBSE 10th class marksheet correction

I had passed class 10th examination in year 2008 from Madhya Pradesh Board Of Secondary Education, In the 10th class marksheet my and my parents surname is not available and spelling of my mother's name is also incorrect.
Hence, I want to make correction in the 10th class marksheet, I tried to apply online from mponline (portal of Madhya Pradesh government) but link is not working.
Please let me know if there is any way to apply online for 10th class marksheet correction.